27 lines
938 B
R
27 lines
938 B
R
#' Save xgboost model to text file
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#'
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#' Save a xgboost model to text file. Could be parsed later.
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#'
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#' @param model the model object.
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#' @param fname the name of the binary file.
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#' @param fmap feature map file representing the type of feature, to make it
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#' look nice, run demo/demo.R for result and demo/featmap.txt for example
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#' Format: https://github.com/tqchen/xgboost/wiki/Binary-Classification#dump-model
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#'
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#' @examples
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#' data(iris)
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#' bst <- xgboost(as.matrix(iris[,1:4]),as.numeric(iris[,5]), nrounds = 2)
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#' xgb.dump(bst, 'iris.xgb.model.dump')
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#' @export
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#'
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xgb.dump <- function(model, fname, fmap = "") {
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if (class(model) != "xgb.Booster") {
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stop("xgb.dump: first argument must be type xgb.Booster")
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}
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if (typeof(fname) != "character") {
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stop("xgb.dump: second argument must be type character")
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}
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.Call("XGBoosterDumpModel_R", model, fname, fmap, PACKAGE = "xgboost")
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return(TRUE)
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}
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